sniff是要用鼻子用力的嗅;

smell只是轻轻的用你的呼吸可以闻得到的;

sniff

v.抽鼻子(尤指哭泣、患感冒等时出声地用鼻子吸气);(吸着气)嗅，闻;

n.吸气(声);抽鼻子(声);嗅;闻;微小的可能性;

smell

v.有(或发出)…气味;闻到，嗅到(气味);

n.气味;难闻的气味

扩展资料

She took a deep sniff of the perfume.

她使劲闻了闻香水。

Suddenly, he stopped and sniffed the air

他突然停下来，闻了闻空气里的味道。

He took one smell of the liquid and his eyes began to water.

他闻了一下那种液体，就流起泪来了。

The smell of the sea carried her back to her childhood.

大海的气息勾起了她童年的回忆。